Families at risk are being identified
Media playback is unsupported on your device

DNA test for heart attack risk in families

Doctors in Wales have pioneered the use of genetics to identify people at risk of early heart attacks.

Using DNA testing, they say they have been able to pinpoint an uncommon strain of hereditary heart disease - in both patients and their families.

There are now calls for it to be introduced in England.

Carwyn Jones reports.

  • 25 Jan 2013